Home / 3,316,187.20-4,977,967.20-2,055,438.40

Finding the Fourth Proportional to 3,316,187.20, 4,977,967.20 and 2,055,438.40

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Solution

The fourth proportional to 3,316,187.20, 4,977,967.20 and 2,055,438.40 is: 3,085,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,187.20 : 4,977,967.20 = 2,055,438.40 : x
  2. Step 2: Convert to fraction form
    3,316,187.20/4,977,967.20 = 2,055,438.40/x
  3. Step 3: Cross multiply
    3,316,187.20x = 4,977,967.20 × 2,055,438.40
  4. Step 4: Simplify right side
    3,316,187.20x = 10,231,904,936,820.48
  5. Step 5: Solve for x
    x = 10,231,904,936,820.48/3,316,187.20
  6. Step 6: Final answer
    x = 3,085,442.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.